div{
  height: 600px;
  overflow-y: auto;
}
  p {
    text-indent: 28px;
    font-size: 14px;
  }
  h2 {
    text-align: center;
    line-height: 70px;
  }
  h3 {
    line-height: 46px;
    background: #f9f9f9;
    text-indent: 27px;
    border-left: #0a83e7 4px solid;
    letter-spacing: 2px;
    font-size: 16px;
    font-weight: normal;
  }
  h4 {
    line-height: 42px;
    margin-top: 10px;
    font-size: 16px;
  }
  h5 {
    line-height: 28px;
    text-indent: 20px;
    font-size: 14px;
  }
  ol {
    background: #f6f6f6;
    border-radius: 5px;
    margin: 15px 0px;
    padding: 15px;
    line-height: 24px;
    font-size: 13px;
    letter-spacing: 0.5px;
    li {
      font-size: 14px;
      text-indent: 24px;
      line-height: 22px;
    }
  }
